package com.zypcy.springcloud.poi_demo.util;


import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;

import java.io.IOException;
import java.io.InputStream;

/**
 * 自定义图片创建方法createPicture，否则原生XWPFDocument的图片无法显示
 */
public class WordXWPFDocument extends XWPFDocument {

    public WordXWPFDocument() {
        super();
    }

    public WordXWPFDocument(InputStream in) throws IOException {
        super(in);
    }

    public WordXWPFDocument(OPCPackage pkg) throws IOException {
        super(pkg);
    }

    /**
     * @param id
     * @param width 宽
     * @param height 高
     * @param paragraph  段落
     */
    public void createPicture(int id, int width, int height,XWPFParagraph paragraph) {
        final int EMU = 9525;
        width *= EMU;
        height *= EMU;
        String blipId = getAllPictures().get(id).getPackageRelationship().getId();
        CTInline inline = paragraph.createRun().getCTR().addNewDrawing().addNewInline();
        String picXml = ""
                +"<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
                +"   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                +"      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                +"         <pic:nvPicPr>" + "            <pic:cNvPr id=\""
                + id
                +"\" name=\"Generated\"/>"
                +"            <pic:cNvPicPr/>"
                +"         </pic:nvPicPr>"
                +"         <pic:blipFill>"
                +"            <a:blip r:embed=\""
                + blipId
                +"\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
                +"            <a:stretch>"
                +"               <a:fillRect/>"
                +"            </a:stretch>"
                +"         </pic:blipFill>"
                +"         <pic:spPr>"
                +"            <a:xfrm>"
                +"               <a:off x=\"0\" y=\"0\"/>"
                +"               <a:ext cx=\""
                + width
                +"\" cy=\""
                + height
                +"\"/>"
                +"            </a:xfrm>"
                +"            <a:prstGeom prst=\"rect\">"
                +"               <a:avLst/>"
                +"            </a:prstGeom>"
                +"         </pic:spPr>"
                +"      </pic:pic>"
                +"   </a:graphicData>" + "</a:graphic>";

        inline.addNewGraphic().addNewGraphicData();
        XmlToken xmlToken = null;
        try{
            xmlToken = XmlToken.Factory.parse(picXml);
        }catch(XmlException xe) {
            xe.printStackTrace();
        }
        inline.set(xmlToken);

        inline.setDistT(0);
        inline.setDistB(0);
        inline.setDistL(0);
        inline.setDistR(0);

        CTPositiveSize2D extent = inline.addNewExtent();
        extent.setCx(width);
        extent.setCy(height);

        CTNonVisualDrawingProps docPr = inline.addNewDocPr();
        docPr.setId(id);
        docPr.setName("图片"+ id);
        docPr.setDescr("测试");
    }

}
